Route
St LouisSydney (Mascot)

St Louis (STL) to Sydney (Mascot) (SYD) Flight Time

St. Louis Lambert International Airport to Sydney Kingsford Smith International Airport
Approx. 14581 km - about 16h 17m in the air and 17h 35m total from gate to gate, at an average speed around 895 km/h.
Real-world flights on routes this long almost always include at least one stop. Use this nonstop estimate as a guide, and allow extra time for connections and layovers when planning your trip.
Distance
14581 km
Time in the air
16h 17m
Total trip (gate to gate)
17h 35m
Average speed
895 km/h
Destination time difference
16 hours ahead (approx.)
Airlines flying from St Louis (STL)

Based on current schedule data for departures from this airport.

Air Canada
Air Canada Express
Alaska Airlines
American Airlines
American Eagle
British Airways
Delta Air Lines
Delta Connection
Frontier Airlines
Lufthansa
Southern Airways Express
Southwest Airlines
Spirit Airlines
Sun Country Airlines
United Airlines
United Express
Fly to Sydney (Mascot) (SYD) from these nearby airports in United States

These are other nearby departure airports in the same country, all flying to this destination. Pick one to see its flight time.

Indianapolis International Airport
Indianapolis - IND
Kansas City International Airport
Kansas City - MCI
Chicago Midway International Airport
Chicago - MDW
Louisville Muhammad Ali International Airport
Louisville - SDF
Memphis International Airport
Memphis - MEM
Other airports in Australia you can fly to from St Louis (STL)

These are other major airports in the destination country you can reach from this airport. Pick one to see its flight time.

Melbourne Airport
Melbourne - MEL
Brisbane International Airport
Brisbane - BNE
Adelaide International Airport
Adelaide - ADL
Darwin International Airport / RAAF Darwin
Darwin - DRW
Perth International Airport
Perth - PER